Table 3-12: Domestic Waterborne Shipments Originating in Maryland by Commodity: 2000

Table 3-12: Domestic Waterborne Shipments Originating in Maryland by Commodity: 2000

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Commodity Short tons Percent of total
Total 10,525,640 100.0
Sand, gravel, shells, clay, salt, and slag 3,892,502 37.0
Petroleum products 942,615 9.0
Food and food products 102,790 1.0
Manufactured goods 3,469 <0.1
Unknown and not elsewhere classified products2 5,584,264 53.1

1 Domestic includes intrastate shipments.

2 To protect confidentiality, if three or more vessel operating companies do not carry a particular commodity from a state of origin to a state of destination, then that commodity is reclassified to "unknown and not elsewhere classified products."

SOURCE FOR DATA ON THIS PAGE: U.S. Army Corps of Engineers, Waterborne Commerce Statistics Center, State to State and Region to Region Commodity Tonnages, Public Domain database, available at http://www.wrsc.usace.army.mil/ndc/datapdom.htm as of Oct. 30, 2001.